Eight vertically oriented interface module slots support the installation of up to eight interface modules. There is also one feature slot that is reserved for future use. The interface modules are hot-swappable. The number of power supplies needed depends on the interface module configuration. Two power supplies are required for a chassis that is fully loaded with eight 9920-16C interface modules. Three power supplies are required for a chassis that is fully loaded with eight 9920-4D interface modules.
Note
Electrostatic discharge (ESD) can damage electronic circuits. Do not touch electronic hardware unless you wear a grounding wrist strap or other static-dissipating device.
Note
Keep the metal cover plate in place over empty module slots. An empty module slot allows air into the chassis, which reduces the negative pressure in the chassis. This reduces airflow to the installed modules.
Each 9920-16C interface module supports up to sixteen 100 Gb ports, for a total of 128 100Gb ports.
The following table provides a description of the hardware, ports, and LED indicators for the 9920-16C interface module, as shown in the preceding figure:
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1 = 16 port 40Gb/100 Gbps QSFP ports, even ports (2, 4, 6, 8, 10, 12, and 14) can be partitioned to 4 x 25Gbps, or 4 x 10Gbps |
4 = Interface module ejector lever |
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2 = Channel select button |
5 = LED status indicators: Left two LEDs indicate channel. Right two LEDs indicate port speed and link status. LEDs are for every port pair. |
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3 = Interface module handle release |
Each 9920-4D interface module supports port partitioning.
The following table provides a description of the hardware, ports, and LED indicators for the 9920-4D interface module, as shown in the preceding figure:
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1 = 4 QSFP-DD ports that can be partitioned to 8 x 50Gbps, 4 x 100Gbps, 2 x 200Gbps, 1 x 400Gbps, 8 x 25Gbps, 2 x 100Gbps, 1 x 200Gbps, 8 x 10Gbps, or 2 x 40Gbps |
4 = Interface module ejector lever |
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2 = Channel select button |
5 = LED status indicators. One tri-color LED that indicates link rate and link status. Three green LEDs that indicate sub-channel selection. |
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3 = Interface module handle release |